<template>
  <div ref="pieRef" style="width: 100%; height: 50vh"></div>
</template>

<script setup lang="ts">
import * as echarts from 'echarts'
// import ChinaMap from './component/chinaEchart.vue'
import mapJson from '../assets/china.json'
import { ref, unref } from 'vue'
import useEchart from '@/hooks/useEchart'

import type { EChartsOption } from 'echarts'

let planePath: string =
  'path://M1705.06,1318.313v-89.254l-319.9-221.799l0.073-208.063c0.521-84.662-26.629-121.796-63.961-121.491c-37.332-0.305-64.482,36.829-63.961,121.491l0.073,208.063l-319.9,221.799v89.254l330.343-157.288l12.238,241.308l-134.449,92.931l0.531,42.034l175.125-42.917l175.125,42.917l0.531-42.034l-134.449-92.931l12.238-241.308L1705.06,1318.313z'
echarts.registerMap('china', mapJson as any)

const pieRef = ref<HTMLElement>()
const data = [
  {
    fromName: '北京',
    toName: '上海',
    coords: [
      [116.4551, 40.2539],
      [121.4648, 31.2891]
    ]
  },
  {
    fromName: '上海',
    toName: '北京',
    coords: [
      [121.4648, 31.2891],
      [116.4551, 40.2539]
    ]
  },
  {
    fromName: '北京',
    toName: '广州',
    coords: [
      [116.4551, 40.2539],
      [113.5107, 23.2196]
    ]
  },
  {
    fromName: '广州',
    toName: '北京',
    coords: [
      [113.5107, 23.2196],
      [116.4551, 40.2539]
    ]
  },
  {
    fromName: '北京',
    toName: '成都',
    coords: [
      [116.4551, 40.2539],
      [103.9526, 30.7617]
    ]
  },
  {
    fromName: '成都',
    toName: '北京',
    coords: [
      [103.9526, 30.7617],
      [116.4551, 40.2539]
    ]
  },
  {
    fromName: '成都',
    toName: '新疆维吾尔自治区',
    coords: [
      [103.9526, 30.7617],
      [85.294711, 41.371801]
    ]
  },
  {
    fromName: ' 新疆维吾尔自治区',
    toName: '成都',
    coords: [
      [85.294711, 41.371801],
      [103.9526, 30.7617]
    ]
  }
]

const option: EChartsOption = {
  // 悬浮窗
  tooltip: {
    trigger: 'item',
    formatter: function (params: any) {
      return `${params.name}: ${params.value || '-'}`
    }
  },
  // echarts大小位置
  grid: {
    left: '0px',
    right: '80px',
    top: '10px',
    bottom: '10px'
  },
  geo: {
    map: 'china',
    zoom: 1.5,
    center: [102.848234, 32.82333],
    scaleLimit: {
      min: 0.8
    },
    label: {
      color: '#fff',
      show: true
    },
    emphasis: {
      label: {
        color: '#fff',
        show: true
      },
      itemStyle: {
        areaColor: {
          x: 0,
          y: 0,
          x2: 0,
          y2: 1,
          colorStops: [
            {
              offset: 0,
              color: '#073684' // 0% 处的颜色
            },
            {
              offset: 1,
              color: '#2B91B7' // 100% 处的颜色
            }
          ]
        }
      }
    },
    roam: false,
    itemStyle: {
      areaColor: {
        x: 0,
        y: 0,
        x2: 0,
        y2: 1,
        colorStops: [
          {
            offset: 0,
            color: '#073684' // 0% 处的颜色
          },
          {
            offset: 1,
            color: '#061E3D' // 100% 处的颜色
          }
        ]
      },
      borderColor: new echarts.graphic.LinearGradient(
        0,
        0,
        0,
        1,
        [
          {
            offset: 0,
            color: '#00F6FF'
          },
          {
            offset: 1,
            color: '#87ADCB'
          }
        ],
        false
      ),
      shadowColor: 'rgba(10,76,139,1)',
      shadowOffsetY: 0,
      shadowBlur: 60,
      borderWidth: 1
    },
    tooltip: {
      show: false
    }
  },
  // 要显示的散点数据
  series: [
    {
      name: '',
      type: 'lines',
      coordinateSystem: 'geo',
      zlevel: 1,
      effect: {
        show: true,
        period: 6,
        trailLength: 0.7,
        color: 'red', //arrow箭头的颜色
        symbolSize: 3
      },
      lineStyle: {
        color: '#fff',
        width: 0,
        curveness: 0.2
      },
      data
    },
    {
      name: '',
      type: 'lines',
      coordinateSystem: 'geo',
      zlevel: 2,
      symbol: ['none', 'arrow'],
      symbolSize: 10,
      effect: {
        show: true,
        period: 6,
        trailLength: 0,
        symbol: planePath,
        symbolSize: 15
      },
      lineStyle: {
        color: '#fff',
        width: 1,
        opacity: 0.6,
        curveness: 0.2
      },
      data
    }
  ]
}
useEchart(pieRef, option)
</script>
